Ensuring Precision for Modern Diesel Engines

Today’s diesel engines face substantial loads as a result of high working pressures and increasing performance demands. To maintain efficiency and avoid potential failures, operators must grind sealing surfaces with precision to ensure a tight seal. Using thoroughly tested, high-quality grinding wheels is crucial for long-term engine performance.

Chris-Marine’s Proven Grinding Solutions

Chris-Marine carefully selects, rigorously tests, and proves its grinding wheels to deliver excellent results across various metal alloys, surface finishes, and workloads. Choosing the right grinding wheel is critical to achieving superior results. Each grinding wheel is a precision tool composed of thousands of cutting points made of abrasive grains, held together by a bonding matrix. Selecting the correct type of wheel for the job is essential for ensuring reliable engine performance.

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AVAILABLE GRINDING WHEELS:

Importance of Honing and Deglazing in Engine Overhauls

Many medium-speed engine makers recommend honing or deglazing during piston overhauls to prevent post-overhaul running issues. One of the key benefits of honing is reduced oil consumption, which is especially important in Otto-cycle gas engines. High oil consumption in these engines can lead to knocking problems, affecting performance. Honing Stones

For engines that are not worn but have glazed or polished cylinder liners—common when running on MGO, gas, or other low-sulfur fuels—deglazing is sufficient. This process refreshes the surface without altering cylinder geometry. However, when cylinder liners become worn, especially after a second piston overhaul in engines running on HFO, ovality and wear edges must be removed for optimal engine function. This more time-consuming process is called honing.

Choosing the Right Honing Stones

Honing time and stone consumption increase with larger cylinder diameters and stroke lengths. Diamond stones are more durable and remove material faster than ceramic stones, making them ideal for coarse honing of large or heavily worn engines. Conversely, ceramic stones provide excellent oil retention, making them essential for finishing the running surface structure.

Chris-Marine® offers a range of honing stones, rigorously tested and proven to deliver reliable performance for most engine types. Selecting the right stones ensures efficient engine maintenance and long-lasting results.

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AVAILABLE HONING STONES:

High-Pressure Hoses

The OBEL-P high-pressure hoses provide excellent flexibility. Their low volumetric expansion contributes to a fast response time in hydraulic systems. Additionally, the smooth inner bores ensure minimal pressure drop, enhancing efficiency in various applications. Hoses & Couplings

Moreover, these hoses feature a long lifespan due to their kink-resistant, steel-reinforced construction and abrasion-resistant covers. Their small outside diameter and lightweight design make them ideal for use onboard vessels, in workshops, and at power plants. Furthermore, the high burst pressure, combined with optional protection covers and 120-degree angle packing surfaces, guarantees optimal safety during operation.

CEJN Couplings and Nipples

The OBEL-P CEJN 116/125 series couplings and nipples maintain high quality and meet the specifications set by engine manufacturers such as MAN Diesel and Wärtsilä. These components are designed to complement our high-pressure hoses, ensuring reliable connections and performance.

In summary, our OBEL-P hoses and CEJN couplings provide dependable performance, ensuring safety and efficiency in demanding environments. Choose our high-pressure solutions for unmatched flexibility and durability.

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Product Features

• Pressure Range: Up to 2500 bar
• Low Volumetric Expansion
• High Quality
• Smooth Inner Bores
• Kink-resistant Steel-reinforced Construction
• Abrasion-resistant Covers
• Small Outside Diameter
• Superior Chemical Resistance

AVAILABLE HOSES & COUPLINGS:

High-Quality Turning Bits for Portable Lathes

Our portable lathes use turning bits available in various shapes and qualities. We meticulously test each type to ensure optimal performance, long-lasting durability, and superior surface roughness. Designed to meet the demands of different machining tasks, these bits deliver consistent results across a wide range of applications.

Tailored Solutions for Precision and Efficiency

We offer a selection of bits that cater to specific engine maintenance requirements. By choosing the right bit for each job, you can achieve faster, more accurate results with minimal downtime. Our focus on quality ensures reliable performance in every operation. Whether for general tasks or specialized ones, we consistently deliver optimal results.

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AVAILABLE TURNING BITS: